Refactor image upload handling across items and receipts routes to include validation for uploaded images, enhancing error handling and user feedback. Consolidate parsing functions by importing from a shared module, improving code maintainability. Update server hooks to ensure consistent cookie handling and error logging.

src/routes/receipts/+page.server.ts

@@ -1,6 +1,7 @@
 import { fail } from "@sveltejs/kit";
 import type { Actions, PageServerLoad } from "./$types";
 import type { StackqReceipt } from "$lib/types/receipts";
+import { validateImageUpload } from "$lib/validate-image-upload";
 
 const COLLECTION = "Stackq_Receipts";
 
@@ -30,6 +31,10 @@ export const actions: Actions = {
     const Type = (form.get("Type") as string)?.trim() || "Purchase";
     const imageFile = form.get("Image") as File | null;
     const hasImage = imageFile && imageFile.size > 0;
+    if (hasImage) {
+      const imgError = validateImageUpload(imageFile);
+      if (imgError) return fail(400, { error: imgError, Type });
+    }
 
     const body: Record<string, unknown> = {
       Status: "New",